Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
You burn more calories sleeping than you do watching television.
348
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
In China, teachers allow children to sleep in class for around 20 minutes to help improve their learning.
13
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22